Distinct neurological disorders with ATP1A3 mutations.

Abstract

Genetic research has shown that mutations that modify the protein-coding sequence of ATP1A3, the gene encoding the α3 subunit of Na(+)/K(+)-ATPase, cause both rapid-onset dystonia parkinsonism and alternating hemiplegia of childhood. These discoveries link two clinically distinct neurological diseases to the same gene, however, ATP1A3 mutations are, with one exception, disease-specific. Although the exact mechanism of how these mutations lead to disease is still unknown, much knowledge has been gained about functional consequences of ATP1A3 mutations using a range of in-vitro and animal model systems, and the role of Na(+)/K(+)-ATPases in the brain. Researchers and clinicians are attempting to further characterise neurological manifestations associated with mutations in ATP1A3, and to build on the existing molecular knowledge to understand how specific mutations can lead to different diseases.

• Authors: Erin L Heinzen, Alexis Arzimanoglou, Allison Brashear, Steven J Clapcote, Fiorella Gurrieri, David B Goldstein, Sigurður H Jóhannesson, Mohamad A Mikati, Brian Neville, Sophie Nicole, Laurie J Ozelius, Hanne Poulsen, Tsveta Schyns, Kathleen J Sweadner, Arn van den Maagdenberg, Bente Vilsen, ATP1A3 Working Group
• Journal: The Lancet. Neurology (Lancet Neurol) Vol. 13 Issue 5 Pg. 503-14 (May 2014) ISSN: 1474-4465 [Electronic] England
• PMID: 24739246 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review)
• Copyright: Copyright © 2014 Elsevier Ltd. All rights reserved.

Chemical References

• ATP1A3 protein, human
• Sodium-Potassium-Exchanging ATPase

Topics

• Animals
• Databases, Bibliographic (statistics & numerical data)
• Genetic Predisposition to Disease (genetics)
• Hemiplegia (genetics)
• Humans
• Models, Molecular
• Mutation (genetics)
• Nervous System Diseases (diagnosis, genetics)
• Parkinson Disease (genetics)
• Sodium-Potassium-Exchanging ATPase (genetics, metabolism)